Hello ladies and gentlemen, I have this Septimius Severus denarius (starting to like a lot his portraits style) Obv L SEPT SEV AVG IMP XI PART MAX Rev VICTORIAE AVGG FEL How do we know if the mint is Rome (Ric 144b) or Laodicea ad Mare (516)? I know there are Septimius Severus specialists here, @dougsmit in particular. Many thanks.